中东某抽水蓄能电站500 m深竖井施工渗水处理研究

大坝与安全 ›› 2022 ›› Issue (3): 65-67，71.

中东某抽水蓄能电站500 m深竖井施工渗水处理研究

张华，周元，陈凌

中国电建集团华东勘测设计研究院有限公司，浙江杭州，311122

收稿日期:2021-06-22 修回日期:2021-07-22 出版日期:2022-06-10 发布日期:2022-09-02
作者简介:张华（1984—），男，硕士，注册岩土工程师，主要从事施工组织设计工作。

Research on seepage treatment during the construction of 500 m deep shaft of a pumped storage power station in Middle East

ZHANG Hua, ZHOU Yuan and CHEN Ling

Powerchina Huadong Engineering Co., Ltd.

Received:2021-06-22 Revised:2021-07-22 Online:2022-06-10 Published:2022-09-02

摘要/Abstract

摘要： 以色列某抽水蓄能电站引水调压井和高压竖井总深度约500 m，采用正井法开挖，施工环境要求高。开挖施工过程中有大量地下水渗出，采取帷幕灌浆截渗和抽排水相结合的处理措施，使开挖施工能够顺利进行。在高压竖井钢衬施工前，对初期衬砌间的渗水进行了专门引排，消除了渗水对钢衬焊接施工的影响，取得了较好的效果。同时，从施工环境、施工质量和作业效率等角度，提出了渗水处理措施的改进思路，为类似工程施工提供借鉴。

关键词: 500 m深竖井, 施工期, 渗水处理

Abstract: The total depth of surge shaft and penstock shaft of a pumped storage power station in Israel is about 500 m. The excavation was implemented by front well drill method, which had high requirements for construction environment. There was a large amount of groundwater seepage during the excavation construction. The treatment by combination of curtain grouting and pumping was adopted. Before the construction of steel lining for penstock shaft, the seepage in initial linings was diverted to remove the influence on steel lining construction, which achieved good results. Meanwhile, the seepage treatment measures were improved from the perspectives of construction environment, construction quality and operation efficiency, which can provide reference for similar projects.

Key words: 500 m deep shaft, construction period, seepage treatment

中图分类号:

TV223.4

张华, 周元, 陈凌. 中东某抽水蓄能电站500 m深竖井施工渗水处理研究[J]. 大坝与安全, 2022, 0(3): 65-67，71.

ZHANG Hua, ZHOU Yuan and CHEN Ling. Research on seepage treatment during the construction of 500 m deep shaft of a pumped storage power station in Middle East[J]. Dam & Safety, 2022, 0(3): 65-67，71.

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